senator from indiana said they'd appreciate the prayers of everyone watching television tonight. we are covering a severe weather outbreak tonight, the likes of which we have not sure we've ever seen before. 155 million americans have been in the path of severe weather today and tonight. we had tornados in eight states. at one point this evening, there were 19 separate tornado warnings. we've seen 163 warnings today overall. they're all over the map in the southeast, including major cities. including some smaller towns that are frankly no longer standing. at the heart of some of these storms is some of the strongest weather this planet can produce. our team has fanned out to cover this. we want to begin the broadcast with where the worst of it is. dr. greg forbes is the severe weather expert at the weather channel. dr. forbes, we've been watching you all afternoon. one point you apologized to viewers. you were unable to talk about all the tornados, just the most severe. where is the worst of it right now? >> well, brian, there's quite a line of storms all the way from southern oh